Miter-box.



A. 0. BROWN. MITER BOX- APPLICATION FILED rm. 6. 1912.

Patented Jan. 5, 1915.

2 SHBETS-SHEET 1.

JJL 1 j; J 4 51 4 flfiiqm z, Witnesse W I I nven or %W@ by W O AttorneysA. 0. BROWN.

MITER BOX.

APPLICATION TILED FEB. 6, 1912. 1,123,235. Patented Jan. 5, 1915.

2 vSHEETS-8HLET 2.

4 J5 Jfi v d I j; r 5%- *5 a: 45 17 2/ J 3% #16? if g l i t a 3 101 Z;1541" {a -|Ii (2'5 15 J66 15 w 16 I! 6 23 11 5 5 fizz Witnesses iafi vawlnventor b Y Attorneys UNITED sTATns PATENT anion.

ARTEMUS CALVIN BRGW'N, OF SALISBURY, MARYLAND.

METER-BOX.

Application filed February 6, 1912.

To all whom it may concern Be it known that l, AnTnMUs C. BROWN, acitizen of the United States, residing at Salisbury, in the county ofNicomico and State of llLlaryland, have invented a new and usefulMiter-Box, of which the following is a specification.

This invention relates to combination tools, and has for its primaryobject to provide a novel adjustable miter machine for saws.

This invention also contemplates a tool of this character which shall besimple, light and compact in construction, which may be folded to bereadily carried in the pocket, and which shall be convenient andefiicient in use.

To the above and other ends, this invention is characterized by thenovel construction and combination of parts hereinafter elicited andpointed out in the appended claim, it being understood that the deviceis susceptible of deviations or alterations in its details within thescope of the appended claim without departing from the spirit of theinvention.

The preferred embodiments of the invention are illustrated in theaccompanying drawings, wherein similar reference characters indicatesimilar parts, and wherein Figure 1 is a perspective view of the tool asused as a miter machine for saws. Fig. 2 is an elevation thereof. Fig. 3is a fragmental detail in plan view of the body of the tool. Fig. 4: isa section on the line 5-5 of Fig. 2 on an enlarged scale. Fig. 5 is aperspective of a detail. Fig. 6 is a perspective view of a modifiedform. Fig. 7 is an elevation thereof, parts broken away. Fig. 8 is anelevation from the side thereof, parts broken away and the parts beingin a different position. Fig. 9 is a fragmental detail in elevation ofthe modified form when folded.

Referring in detail to the drawings, 15 designates the body or stock ofthe tool, which is preferably of sheet metal or cast metal, and whichhas the edges thereof converging toward the outer end, one edge forminga straight edge which bears suitable graduations and the other edgehaving a depending flange l2. A semi-circular adjusting plate 19 ispivoted to the inner end of the body 15 by means of a pin 20 passingthrough the adjusting plate 19 and through the aperture 45 in the innerend Specification of Letters Patent.

Patented J an. 5, 1915.

Serial No. 675,781.

of the body 15. The adjusting plate 19 and the body 15 are provided withthe respective registering arcuate slots 21 and *l' which are concentricwith the axis of the pivotal point, and a clamping bolt passes throughthe slots 16 and 21 and bears a jam nut adapted to clamp the adjustingplate 19 firmly against the body 15 at any adjustment. The plate 19 isprovided with a plurality of pointers projecting from the convex orarcuate side thereof, which pointers co-act or cooperate with the scaleof protractor graduations on the body 15 to indicate the angle at whichthe plate 19 is set relative to the body 15 and thereby permitting theplate 19 to be set at any desired angle relative to the said body. Ahinge plate 18 is hinged at one edge to the straight edge or sine of theplate 19 and is adapted to normally seat or bear against the inner endstat of the body 15 to lie in the plane of the plate 19. A blade 16 ishinget to the plate 18, the axes of the hinges being parallel, and thisblade 16 has the edges thereof converging toward its outer or free end,one of the edges forming a straight edge which bears suitablegraduations cooperating with the graduated straight edge of the body 15when the body and blade are swung into alinement to form a continuousstraight edge and ruler. it flange 17 projects from the other edge ofthe blade 16 and is provided with an elongated longitudinal slot havinga suitable scale of graduations 18 along one ed 'e thereof on the outerside of the flange for indicating various degrees of the blade 16relative to the plate 19 and a scale of linear graduations 4L8 along theother edge thereof.

The link 27 is pivoted at one end to an ear :26 secured to andprojecting from the plate 19, and at its other end is engaged over theinner end of a bolt 28 which passes loosely through the slot and bears aam nut on its outer end to clamp the flange 17 between the link 27 andthe jam nut 29 to retain the plate 19 and the blade 16 in any adjustedposition to which they are set relative to each other. A washer 30 isinterposed between the jam nut 29 and the flange 17 on the bolt 28 andthis washer 30 is provided with a tail piece b0 which has anintermediate crimped portion 31 snugly and slidably entering the slot4:3 and has the double pointer or straight edge 32 at its outer or freeend, the said pointer or straight edge 32 overlapping the edges of theslot 43 and co-a-cting or cooperating with the graduations 48 and 48" onthe outer face of the flange 17 along the edges of the said slot toindicate the angle of the blade 16 relative to the plate 19 on thegraduations 48, thereby permitting the blade 16 to be set at any desired angle relative to the said plate 19. It is to be observed that thecrimped portion 31 which snugly enters the slot 43 will have two pointsof contact with each edge of the slot so that the crimped portion serveas a slide movable in the slot, and also permits the bolt 28 to be outof engagement with the edges of the slot 43 so that the threads of thebolt will not be injured. An auxiliary blade 34 which corresponds incontour to the blade 16 is hinged at its smaller end to the outer orfree end of the blade 16 as desig nated by the numeral 39, and thisauxiliary blade 34 is adapted to swing into a close parallel andcoinciding relation with the blade 16, forming therewith a guide forhandsaws. A shim plate 36 is secured to the inner end of the auxiliaryblade 34 and when the blades 16 and 34 are swung together said shimplate 36 is adapted to be sandwiched between the ends of the said bladesto retain the blades in parallel relation.

The blade 16 is provided with a tap 37 at its outer or free end which isadapted to coincide or register with an aperture 49 in the auxiliaryblade 34 and shim plate 36, whereby when the blades 16 and 34 are swungtogether or folded, a thumb screw 38 may be passed through the aperture49 and engaged in the tap 37 to retain the blades in that relation toform the saw guide. The body 15 is provided with a pricker 41 at itsouter end, and the auxiliary blade 34 is provided with a coiiperatingpricker 4O projecting from the inner end thereof, the said pricker 40forming a stop adapted to strike the blade 16 when the blades are openedor swung into alinement to prevent the excessive movement of the blades16 and 34 relative to each other. The graduations 48 indicate thedistances between the prickers as they are swung relative to each other,thereby permitting the prickers to be set at any desired distance fromeach other.

The auxiliary blade 34 has a graduated straight edge 35 which cooperateswith the graduated straight edge 33 of the blade 16 when the blades areswung into alinement.

In the form shown in Figs. 6 to 9, inclusive, the blade 16 is connectedto the plate 19 by means of a hinge, the leaves of which are bentsimilarly into obtuse angles to provide the respective outer and innersections 18*18 and 18 18. The outer sections 18"=18 are securedrespectively to the plate 19 and the inner end of the blade 16. Thishinge permits the body 15 and the blade 16 to be swung into alinement,the link 27 swinging over the end of the hinge and brings the said bodyand blade into a parallel spaced relation when the said parts are foldedone upon the other, whereby the tool may be compactly folded. This hingeis substituted in lieu of the hinge plate 18 of the former construction,which hinge plate permits the blade and body of the former constructionto fold into a spaced parallel relation, thus to allow the clamping bolt22 and its nut 23 as well as the adjusting link 27 and the partscooperating therewith, to be housed between the stock and the saw guidemade up of the blades 16 and 34. This hinge plate 18 rests upon one endof the stock 15 while the device is in use and is thus held in alinementwith the adjusting plate 19, at the same time supporting the saw guidebeyond the end of the stock so that said saw guide can be adjusted toform either an acute or an obtuse angle with the top of the stock.

hen used as a miter machine for saws, the blades 16 and 34 are retainedin folded parallel relation by the thumb screw 38 to form the saw guideand the saw guide is then set at the desired angle relative to the body15 by swinging the plate 19 upon the body 15 and by swinging the blade16 relative to the plate 19, the various angles being indicated by thegraduations 47 and 48, respectively. In the first form the axis of thehinged connection between the blade 16 and the hinge plate 18 lies in aplane at right angles to the plane of the axis of the pivotal pointbetween the plate 19 and the body 15, whereby the blade 16 swings to andfrom the axis of the pivotal point of the plate 19 and the body 15, andin the second form, the axis of the hinged connection between thedeflected portions 18 and 18 of the hinge leaves lies in a plane atright angles to the plane of the axis of the pivotal point between theplate 19 and body 15, whereby the corresponding blade 16 swings to andfrom the axis of the pivotal point of the plate 19 and the body 15,

and by the foregoing adjustment, the saw guide may be set at any desiredangle relative to the body 15. Then by applying the body 15 to theobject to be sawed, this guide is positioned at the desired anglerelative to the body, whereby, when the saw is inserted into the sawguide the desired cut into the object may be made.

hen used as a pair of dividers and compass, the body 15 and blade 16 areswung relative to each other, as more clearly shown in dotted lines inFig. 2, whereby the prickers 40 and 41 may be brought into operation forthat purpose as will be readily understood. The graduations 48 indicatethe distances between the prickers 40 and 41 carried by the saw guide,and the body, respectively, and in this manner the said prickers may beset at any desired distance apart for use as a pair of dividers or acompass.

When the device is employed as a miter or bevel square, the blade 16 isswung into the plane of the stock or body 15 and at right anglesthereto, the inner end of the blade 16 being straight and being adaptedto swing flatly against the straight edge so as to lock the blade andstock against swinging in the plane in which they both lie. The innerend of the blade 16 is straight in order that it may swing flatlyagainst the straight edge 25, the hinged connection between the blade 16and the plate 19 permitting the inner end of the blade 16 to swingagainst the straight edge 25, but normally the ends of the blade andstock part. By removing the thumb screw 38 the body 15, blade 16, andthe auxiliary blade 3% may be swung into alinement, whereby therespective graduated straight edges 25, 33 and 35 fall into alinement tocooperate with each other to form a continuous straight edge and ruler.This tool will also be found useful for various other purposes whichwill be apparent.

In this manner it will be seen that the present invention provides for acombination tool embodying a novel adjustable miter machine, inconnection with a ruler,

square, bevel or miter square, divider and compass, the tool beingadapted to fold compactly to be carried in the pocket, and being simpleand light in construction, and being convenient and efiicient in use.

Having described the invention, what is claimed as new is:

The combination with an adjusting plate and a saw guide, of a hingeplateconnecting the adjusting plate and the saw guide, a stock extendingunder and swiveled to the adjusting plate and adapted to project at oneend under the hinge plate to hold the plates in alinement, said sawguide being adjustable angularly to form acute or obtuse angles with thetop of the stock, binding means upstanding from the stock and adjustingplate, and adjusting means connecting the saw guide and adjusting plate,said saw guide and stock being foldable into parallel relation, thehinge plate constituting means for spacing the saw guide and stock whenfolded, thereby to permit housing of the clamping and adjusting meansbetween the stock and guide.

In testimony that I claim the foregoing as my own, I have hereto afliXedmy signature in the presence of two witnesses.

ARTElVIUS CALVIN BROWN.

Witnesses:

E. V. HEARN, DALLAS H. HEARN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington. D. G.

